Tos, a grape plantation owner, is protective of his sick sister, Vithinee, who is in love with Pong. Pong, who already has a girlfriend, Bow, gets Vithinee pregnant. To prevent Bow from interfering, Tos forces her into marriage by using deception. After saving Bow from an attempted assault, she mistakenly believes he raped her, which Tos later uses to coerce her into marriage. As Tos starts falling for Bow, Pong marries Vithinee
